Pith Number

pith:4M55EN3R

pith:2009:4M55EN3RLADTCTJFJMLJSWGB77

not attested not anchored not stored refs pending

Satellites in the field and lens galaxies: SDSS/COSMOS vs. SLACS/CLASS

(2) Max-Planck Institute for Astrophysics, C. Li (2) ((1) University of Manchester, Garching), Jodrell Bank Centre for Astrophysics, N. Jackson (1), S.E. Bryan (1), S. Mao (1)

arxiv:0912.0614 v2 · 2009-12-03 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4M55EN3RLADTCTJFJMLJSWGB77}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:10:34.362452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e33bd237715807314d254b169958c1ffddb5e500a3b7d60f1199026b7b7992ef

Aliases

arxiv: 0912.0614 · arxiv_version: 0912.0614v2 · doi: 10.48550/arxiv.0912.0614 · pith_short_12: 4M55EN3RLADT · pith_short_16: 4M55EN3RLADTCTJF · pith_short_8: 4M55EN3R

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/4M55EN3RLADTCTJFJMLJSWGB77 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: e33bd237715807314d254b169958c1ffddb5e500a3b7d60f1199026b7b7992ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5048e0cde5f58c9857ab65e2fba8d9e78abc5a47f61fb9badbd155cf693b8a30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-03T10:05:56Z",
    "title_canon_sha256": "c12e21cabdc46ee095b171298374b977b12d0fb7f61449a5f6651d87b99a7b1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0614",
    "kind": "arxiv",
    "version": 2
  }
}